Asus POSEIDON ROG GTX780-P-3GD5

This is the Asus Poseidon GeForce GTX 780. It’s a ROG (Republic of Gamers) version card, a label that’s customarily reserved for Asus’ high-end gear. Those chromed nozzles on the side are for hooking up a liquid cooling system. Out-of-the-box, they’re covered with threaded caps. But you can leave the caps on and just use the card’s air cooling.

Hybrid Cooling – Air or Liquid – Your Choice
Designed to provide superb performance on air or liquid, the ROG Poseidon graphics card incorporates DirectCU H2O to give you the flexibility and freedom of choice.

Liquid cooling has been a choice for many PC enthusiast as a efficient means of heat removal and increased overclocking potential of carefully selected hardware.

However, custom water cooling solutions can be difficult and costly, as original cooling solutions have to be removed and fitted with waterblocks…